string_io.py revision 5661:443e6f925027 
1# Copyright (c) 2007-2008 The Hewlett-Packard Development Company
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42# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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53#
54# Authors: Gabe Black
55
56microcode = '''
57def macroop INS_M_R {
58    # Find the constant we need to either add or subtract from rdi
59    ruflag t0, 10
60    movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
61    subi t4, t0, dsz, dataSize=asz
62    mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
63
64    zexti t2, reg, 15, dataSize=2
65
66    ld t6, intseg, [1, t2, t0], "IntAddrPrefixIO << 3", addressSize=8
67    st t6, es, [1, t0, rdi]
68
69    add rdi, rdi, t3, dataSize=asz
70};
71
72def macroop INS_E_M_R {
73    and t0, rcx, rcx, flags=(EZF,), dataSize=asz
74    br label("end"), flags=(CEZF,)
75    # Find the constant we need to either add or subtract from rdi
76    ruflag t0, 10
77    movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
78    subi t4, t0, dsz, dataSize=asz
79    mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
80
81    zexti t2, reg, 15, dataSize=2
82
83topOfLoop:
84    ld t6, intseg, [1, t2, t0], "IntAddrPrefixIO << 3", addressSize=8
85    st t6, es, [1, t0, rdi]
86
87    subi rcx, rcx, 1, flags=(EZF,), dataSize=asz
88    add rdi, rdi, t3, dataSize=asz
89    br label("topOfLoop"), flags=(nCEZF,)
90end:
91    fault "NoFault"
92};
93
94def macroop OUTS_R_M {
95    # Find the constant we need to either add or subtract from rdi
96    ruflag t0, 10
97    movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
98    subi t4, t0, dsz, dataSize=asz
99    mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
100
101    zexti t2, reg, 15, dataSize=2
102
103    ld t6, ds, [1, t0, rsi]
104    st t6, intseg, [1, t2, t0], "IntAddrPrefixIO << 3", addressSize=8
105
106    add rsi, rsi, t3, dataSize=asz
107};
108
109def macroop OUTS_E_R_M {
110    and t0, rcx, rcx, flags=(EZF,), dataSize=asz
111    br label("end"), flags=(CEZF,)
112    # Find the constant we need to either add or subtract from rdi
113    ruflag t0, 10
114    movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
115    subi t4, t0, dsz, dataSize=asz
116    mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
117
118    zexti t2, reg, 15, dataSize=2
119
120topOfLoop:
121    ld t6, ds, [1, t0, rsi]
122    st t6, intseg, [1, t2, t0], "IntAddrPrefixIO << 3", addressSize=8
123
124    subi rcx, rcx, 1, flags=(EZF,), dataSize=asz
125    add rsi, rsi, t3, dataSize=asz
126    br label("topOfLoop"), flags=(nCEZF,)
127end:
128    fault "NoFault"
129};
130'''
131